<template>
  <div class="app-container">
    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-input
        v-model="listQuery.name"
        clearable
        class="filter-item"
        style="width: 200px;"
        placeholder="请输入优惠券标题"
      />
      <el-select
        v-model="listQuery.type"
        clearable
        style="width: 200px"
        class="filter-item"
        placeholder="请选择优惠类型"
      >
        <el-option
          v-for="type in typeOptions"
          :key="type.value"
          :label="type.label"
          :value="type.value"
        />
      </el-select>
      <el-select
        v-model="listQuery.status"
        clearable
        style="width: 200px"
        class="filter-item"
        placeholder="请选择优惠券状态"
      >
        <el-option
          v-for="type in statusOptions"
          :key="type.value"
          :label="type.label"
          :value="type.value"
        />
      </el-select>
      <el-button
        v-permission="['GET /admin/activity/list']"
        class="filter-item"
        type="primary"
        icon="el-icon-search"
        @click="handleFilter"
      >查找</el-button>
      <el-button
        v-permission="['POST /admin/activity/create']"
        class="filter-item"
        type="primary"
        icon="el-icon-edit"
        @click="handleCreate"
      >添加</el-button>
      <el-button
        :loading="downloadLoading"
        class="filter-item"
        type="primary"
        icon="el-icon-download"
        @click="handleDownload"
      >导出</el-button>
    </div>

    <!-- 查询结果 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="正在查询中。。。"
      border
      fit
      highlight-current-row
    >
      <el-table-column align="center" label="活动ID" prop="id" sortable />

      <el-table-column align="center" label="活动名称" prop="name" />

      <!-- <el-table-column align="center" label="介绍" prop="desc" />

      <el-table-column align="center" label="标签" prop="tag" />-->

      <el-table-column align="center" label="最低消费" prop="min">
        <template slot-scope="scope">满{{ scope.row.min }}元可用</template>
      </el-table-column>

      <el-table-column align="center" label="满减金额" prop="discount">
        <template slot-scope="scope">减免{{ scope.row.discount }}元</template>
      </el-table-column>

      <!-- <el-table-column align="center" label="每人限领" prop="limit">
        <template slot-scope="scope">{{ scope.row.limit != 0 ? scope.row.limit : "不限" }}</template>
      </el-table-column>-->

      <el-table-column align="center" label="商品使用范围" prop="goodsType">
        <template slot-scope="scope">{{ scope.row.goodsType | formatGoodsType }}</template>
      </el-table-column>

      <el-table-column align="center" label="优惠类型" prop="type">
        <template slot-scope="scope">{{ scope.row.type | formatType }}</template>
      </el-table-column>

      <!-- <el-table-column align="center" label="优惠券数量" prop="total">
        <template slot-scope="scope">{{ scope.row.total != 0 ? scope.row.total : "不限" }}</template>
      </el-table-column>-->

      <el-table-column align="center" label="状态" prop="expire">
        <template slot-scope="scope">{{ scope.row.expire | formatStatus }}</template>
      </el-table-column>

      <el-table-column align="center" label="操作" width="300" class-name="small-padding fixed-width">
        <template slot-scope="scope">
<!--          <el-button-->
<!--            v-permission="['GET /admin/activity/detail']"-->
<!--            type="primary"-->
<!--            size="mini"-->
<!--            @click="handleDetail(scope.row)"-->
<!--          >详情</el-button>-->
          <el-button
            v-permission="['POST /admin/activity/update']"
            type="info"
            size="mini"
            @click="handleUpdate(scope.row)"
          >编辑</el-button>
          <el-button
            v-permission="['POST /admin/activity/delete ']"
            type="danger"
            size="mini"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="listQuery.page"
      :limit.sync="listQuery.limit"
      @pagination="getList"
    />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form
        ref="dataForm"
        :rules="rules"
        :model="dataForm"
        status-icon
        label-position="left"
        label-width="100px"
        style="width: 400px; margin-left:50px;"
      >
        <el-form-item v-if='textMap[dialogStatus] != "编辑"' label="优惠券类型" prop="type">
          <el-select v-model="dataForm.type" @change="clickType(dataForm.type)">
            <el-option
              v-for="type in typeOptions"
              :key="type.value"
              :label="type.label"
              :value="type.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="活动名称" prop="name">
          <el-input v-model="dataForm.name" />
        </el-form-item>
        <!--        <el-form-item v-if="dataForm.type != 1" label="优惠码" prop="code">-->
        <!--          <el-input v-model="dataForm.code" />-->
        <!--        </el-form-item>-->
        <el-form-item v-if="dataForm.type == 3" label="折扣" prop="discount">
          <el-input v-model="dataForm.discount" />
        </el-form-item>
        <!-- <el-form-item label="介绍" prop="desc">
          <el-input v-model="dataForm.desc" />
        </el-form-item>
        <el-form-item label="标签" prop="tag">
          <el-input v-model="dataForm.tag" />
        </el-form-item>-->

        <!-- <el-form-item label="发行数量" prop="total">
          <el-input v-model="dataForm.total">
            <template slot="append">张</template>
          </el-input>
        </el-form-item>-->

        <!--        <el-form-item v-if="dataForm.type != 3" label="面额" prop="discount">-->
        <!--          <el-input v-model="dataForm.discount">-->
        <!--            <template slot="append">元</template>-->
        <!--          </el-input>-->
        <!--        </el-form-item>-->
        <el-form-item v-if="dataForm.type != 3" label="使用门槛" prop="min">
          <el-input v-model="dataForm.min">
            <template slot="prepend">满</template>
            <template slot="append">元可用</template>
          </el-input>
        </el-form-item>

        <!-- <el-form-item label="每人限领" prop="limit">
          <el-input v-model="dataForm.limit">
            <template slot="append">张</template>
          </el-input>
        </el-form-item>-->
        <el-form-item label="有效期" >
<!--          <el-date-picker-->
<!--            v-model="dataForm.startTime"-->
<!--            type="daterange"-->
<!--            range-separator="至"-->
<!--            start-placeholder="开始日期"-->
<!--            end-placeholder="结束日期">-->
<!--          </el-date-picker>-->
          <el-col :span="11">
            <el-date-picker
              v-model="dataForm.startTime"
              type="datetime"
              placeholder="选择日期"
              value-format="yyyy-MM-dd HH:mm:ss"
              style="width: 100%;"
            />
          </el-col>
          <el-col :span="2" class="line">至</el-col>
          <el-col :span="11">
            <el-date-picker
              v-model="dataForm.endTime"
              type="datetime"
              placeholder="选择日期"
              value-format="yyyy-MM-dd HH:mm:ss"
              style="width: 100%;"
            />
          </el-col>
        </el-form-item>
        <!-- <el-form-item label="有效期">
          <el-radio-group v-model="dataForm.timeType">
            <el-radio-button :label="0">领券相对天数</el-radio-button>
            <el-radio-button :label="1">指定绝对时间</el-radio-button>
          </el-radio-group>
        </el-form-item>
        <el-form-item v-show="dataForm.timeType === 0">
          <el-input v-model="dataForm.days">
            <template slot="append">天</template>
          </el-input>
        </el-form-item>-->
        <!-- <el-form-item v-show="dataForm.timeType === 1">
          <el-col :span="11">
            <el-date-picker v-model="dataForm.startTime" type="datetime" placeholder="选择日期" value-format="yyyy-MM-dd HH:mm:ss" style="width: 100%;" />
          </el-col>
          <el-col :span="2" class="line">至</el-col>
          <el-col :span="11">
            <el-date-picker v-model="dataForm.endTime" type="datetime" placeholder="选择日期" value-format="yyyy-MM-dd HH:mm:ss" style="width: 100%;" />
          </el-col>
        </el-form-item>-->
        <el-form-item v-if="dataForm.goodsType != 1" label="商品限制范围" >
          <el-radio-group v-model="dataForm.goodsType">
            <el-radio-button :label="1" v-show="dataForm.type == 3">全场通用</el-radio-button>
            <el-radio-button :label="3" v-show="dataForm.type == 3">指定分类</el-radio-button>
            <el-radio-button :label="2">指定商品</el-radio-button>
          </el-radio-group>
        </el-form-item>
        <el-form-item v-show="dataForm.goodsType == 3">
          <el-cascader
            v-model="selectGoodsCategory"
            clearable
            placeholder="请选择分类名称"
            expand-trigger="hover"
            :props="{ checkStrictly: true }"
            :options="goodsCategoryOptions"
          />
          <el-button @click="handleAddGoodsCategory()">添加</el-button>
          <el-table
            ref="goodsCateRelationTable"
            :data="couponCategoryList"
            style="width: 100%;margin-top: 20px"
            border
          >
            <el-table-column label="分类名称" align="center">
              <template
                slot-scope="scope"
              >{{ scope.row.parentCategoryName }}>{{ scope.row.goodsCategoryName }}>{{ scope.row.pParentCategoryName }}</template>
            </el-table-column>
            <el-table-column label="操作" align="center" width="100">
              <template slot-scope="scope">
                <el-button
                  size="mini"
                  type="text"
                  @click="handleDeleteGoodsCategory(scope.$index, scope.row)"
                >删除</el-button>
              </template>
            </el-table-column>
          </el-table>
        </el-form-item>
        <el-form-item v-show="dataForm.goodsType == 2">
          <el-select
            v-model="selectGoods"
            filterable
            remote
            reserve-keyword
            placeholder="商品名称/商品货号"
          >
            <el-option
              v-for="item in goodsOptions"
              :key="item.goodsId"
              :label="item.goodsName"
              :value="item.goodsId"
            >
              <span style="float: left">{{ item.goodsName }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">NO.{{ item.goodsSn }}</span>
            </el-option>
          </el-select>
          <el-button @click="handleAddGoods()">添加</el-button>
          <el-table
            ref="goodsRelationTable"
            :data="couponGoodsList"
            style="width: 100%;margin-top: 20px"
            border
          >
            <el-table-column label="商品名称" align="center">
              <template slot-scope="scope">{{ scope.row.goodsName}}</template>
            </el-table-column>
            <el-table-column label="商品编号" align="center" width="80">
              <template slot-scope="scope">{{ scope.row.goodsSn }}</template>
            </el-table-column>
            <el-table-column label="操作" align="center" width="60">
              <template slot-scope="scope">
                <el-button
                  size="mini"
                  type="text"
                  @click="handleDeleteGoods(scope.$index, scope.row)"
                >删除</el-button>
              </template>
            </el-table-column>
          </el-table>
        </el-form-item>
        <el-form-item label="是否上架" prop="state">
          <el-switch v-model="dataForm.state" active-text="是" inactive-text="否" :active-value="1" :inactive-value="0" />
        </el-form-item>


      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确定</el-button>
        <el-button v-else type="primary" @click="updateData">确定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #20a0ff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 120px;
  height: 120px;
  line-height: 120px;
  text-align: center;
}
.avatar {
  width: 120px;
  height: 120px;
  display: block;
}
</style>

<script>
import {
  listCoupon,
  createCoupon,
  updateCoupon,
  deleteCoupon
} from '@/api/activity'
import { listCategory } from '@/api/category.js'
import { listGoods } from '@/api/goods.js'
import Pagination from '@/components/Pagination' // Secondary package based on el-pagination

const defaultTypeOptions = [
  {
    label: '免运费',
    value: 1
  },
  {
    label: '满额赠商品',
    value: 2
  },
  {
    label: '指定商品折扣',
    value: 3
  }
]

const defaultStatusOptions = [
  {
    label: '正常',
    value: 1
  },
  {
    label: '已过期',
    value: -1
  },
  {
    label: '已下架',
    value: 0
  }
]

export default {
  name: 'Activity',
  components: { Pagination },
  filters: {
    formatType(type) {
      for (let i = 0; i < defaultTypeOptions.length; i++) {
        if (type === defaultTypeOptions[i].value) {
          return defaultTypeOptions[i].label
        }
      }
      return ''
    },
    formatGoodsType(goodsType) {
      if (goodsType === 1) {
        return '全场通用'
      } else if (goodsType === 3) {
        return '指定分类'
      } else {
        return '指定商品'
      }
    },
    formatStatus(status) {
      if (status === 1) {
        return '正常'
      } else if (status === -1) {
        return '已过期'
      } else {
        return '已下架'
      }
    }
  },
  data() {
    return {
      typeOptions: Object.assign({}, defaultTypeOptions),
      statusOptions: Object.assign({}, defaultStatusOptions),
      sendUserList: [],
      list: [],
      ind: 0,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        name: undefined,
        type: undefined,
        status: undefined,
        sort: 'add_time',
        order: 'desc'
      },
      dataForm: {
        id: undefined,
        name: undefined,
        desc: undefined,
        tag: undefined,
        total: 0,
        discount: 0,
        min: 0,
        limit: 1,
        type: 1,
        status: 1,
        goodsType: 1,
        goodsValue: [],
        timeType: 0,
        days: 0,
        startTime: null,
        endTime: null,
        sendType: 1,
        sendUserId: []
      },
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: '编辑',
        create: '创建'
      },
      rules: {
        name: [
          { required: true, message: '优惠券标题不能为空', trigger: 'blur' }
        ],
        startTime: [
          { required: true, message: '开始时间不能为空', trigger: 'blur' }
        ],
        endTime: [
          { required: true, message: '结束不能为空', trigger: 'blur' }
        ]
      },
      downloadLoading: false,
      selectGoods: null,
      goodsOptions: [],
      selectGoodsCategory: null,
      goodsCategoryOptions: [],
      couponGoodsList: [],
      couponCategoryList: []
    }
  },
  created() {
    this.getList()
    this.getCategoryList()
    this.getGoodsList()
  },
  methods: {
    getList() {
      this.listLoading = true
      listCoupon(this.listQuery)
        .then((response) => {
          this.list = response.data.data.list
          this.total = response.data.data.total
          this.listLoading = false
        })
        .catch(() => {
          this.list = []
          this.total = 0
          this.listLoading = false
        })
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        name: undefined,
        desc: undefined,
        tag: undefined,
        total: 0,
        discount: 0,
        min: 0,
        limit: 1,
        type: 1,
        status: 1,
        goodsType: 1,
        goodsValue: [],
        timeType: 0,
        days: 0,
        startTime: null,
        endTime: null,
        sendType: true,
        sendUserId: []
      }
      this.couponCategoryList = []
      this.couponGoodsList = []
    },
    handleCreate() {
      this.resetForm()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    createData() {
      if(this.dataForm.startTime == null || this.dataForm.endTime == null){
        this.$notify.error({
          title: "提示",
          message: '请选择时间',
        });
      }else {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            if (this.dataForm.goodsType === 3) {
              this.dataForm.goodsValue = this.couponCategoryList.map(
                (item) => item.goodsCategoryId
              )
            }
            if (this.dataForm.goodsType === 2) {
              this.dataForm.goodsValue = this.couponGoodsList.map(
                (item) => item.goodsId
              )
            }
            createCoupon(this.dataForm)
              .then((response) => {
                this.list.unshift(response.data.data)
                this.dialogFormVisible = false
                this.$notify.success({
                  title: '成功',
                  message: '创建优惠券成功'
                })
                this.getList()
              })
              .catch((response) => {
                this.$notify.error({
                  title: '失败',
                  message: response.data.errmsg
                })
              })
          }
        })
      }
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row)

      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        if (this.dataForm.days === 0) {
          this.dataForm.daysType = 1
        } else {
          this.dataForm.daysType = 0
        }
        this.$refs['dataForm'].clearValidate()
        if(row.type == 1){
          this.dataForm.goodsType = 1
        }
      })
    },
    updateData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          if (this.dataForm.goodsType === 3) {
            console.log(this.couponCategoryList)
            this.dataForm.goodsValue = this.couponCategoryList.map(
              (item) => item.goodsCategoryId
            )
          }
          if (this.dataForm.goodsType === 2) {
            console.log(this.couponGoodsList)
            this.dataForm.goodsValue = this.couponGoodsList.map(
              (item) => item.goodsId
            )
          }
          updateCoupon(this.dataForm)
            .then(() => {
              for (const v of this.list) {
                if (v.id === this.dataForm.id) {
                  const index = this.list.indexOf(v)
                  this.list.splice(index, 1, this.dataForm)
                  break
                }
              }
              this.dialogFormVisible = false
              this.$notify.success({
                title: '成功',
                message: '更新优惠券成功'
              })
              this.getList()
            })
            .catch((response) => {
              this.$notify.error({
                title: '失败',
                message: response.data.errmsg
              })
            })
        }
      })
    },
    handleDelete(row) {
      deleteCoupon(row.id)
        .then((response) => {
          this.$notify.success({
            title: '成功',
            message: '删除优惠券成功'
          })
          this.getList()
        })
        .catch((response) => {
          this.$notify.error({
            title: '失败',
            message: response.data.errmsg
          })
        })
    },
    handleDetail(row) {
      this.$router.push({
        path: '/promotion/couponDetail',
        query: { id: row.id }
      })
    },
    handleDownload() {
      this.downloadLoading = true
      import('@/vendor/Export2Excel').then((excel) => {
        const tHeader = [
          '优惠券ID',
          '名称',
          '内容',
          '标签',
          '最低消费',
          '减免金额',
          '每人限领',
          '优惠券数量'
        ]
        const filterVal = [
          'id',
          'name',
          'desc',
          'tag',
          'min',
          'discount',
          'limit',
          'total'
        ]
        excel.export_json_to_excel2(
          tHeader,
          this.list,
          filterVal,
          '优惠券信息'
        )
        this.downloadLoading = false
      })
    },
    getGoodsList() {
      listGoods({ limit: 0 })
        .then((response) => {
          const goodsList = response.data.data.list
          this.goodsOptions = []
          for (let i = 0; i < goodsList.length; i++) {
            const item = goodsList[i]
            this.goodsOptions.push({
              goodsId: item.id,
              goodsName: item.name,
              goodsSn: item.goodsSn
            })
          }
        })
        .catch(() => {
          this.goodsOptions = []
        })
    },
    handleAddGoods() {
      if (this.selectGoods === null) {
        this.$message({
          message: '请先选择商品',
          type: 'warning'
        })
        return
      }
      this.couponGoodsList.push(this.getGoodsById(this.selectGoods))
      this.selectGoods = null
    },
    handleDeleteGoods(index, row) {
      this.couponGoodsList.splice(index, 1)
    },
    handleAddGoodsCategory() {
      if (
        this.selectGoodsCategory === null ||
        this.selectGoodsCategory.length === 0
      ) {
        this.$message({
          message: '请先选择商品分类',
          type: 'warning'
        })
        return
      }
      this.couponCategoryList.push(
        this.getGoodsCategoryByIds(this.selectGoodsCategory)
      )
      this.selectGoodsCategory = []
    },
    handleDeleteGoodsCategory(index, row) {
      this.couponCategoryList.splice(index, 1)
    },
    getGoodsById(id) {
      for (let i = 0; i < this.goodsOptions.length; i++) {
        if (id === this.goodsOptions[i].goodsId) {
          return this.goodsOptions[i]
        }
      }
      return null
    },
    getCategoryList() {
      listCategory().then((response) => {
        this.goodsCategoryOptions = response.data.data.categoryList
      })
    },
    getGoodsCategoryByIds(ids) {
      let name
      let parentName
      let pParentName
      let ret = 0
      for (let i = 0; i < this.goodsCategoryOptions.length; i++) {
        if (this.goodsCategoryOptions[i].value === ids[0]) {
          parentName = this.goodsCategoryOptions[i].label
          ret = 0
          for (let j = 0; j < this.goodsCategoryOptions[i].children.length; j++) {
            if (this.goodsCategoryOptions[i].children[j].value === ids[1]) {
              ret = 1
              name = this.goodsCategoryOptions[i].children[j].label
              for (let k = 0; k < this.goodsCategoryOptions[i].children[j].children.length; k++) {
                if (this.goodsCategoryOptions[i].children[j].children[k].value === ids[2]) {
                  ret = 2
                  pParentName = this.goodsCategoryOptions[i].children[j].children[k].label
                }
              }
            }
          }
        }
      }
      return {
        goodsCategoryId: ids[ret],
        parentCategoryName: parentName,
        goodsCategoryName: name,
        pParentCategoryName: pParentName
      }
    },
    clickType(type) {
      console.log(type)
      this.dataForm.goodsType = type
    }
  }
}
</script>
